:root {
  --fondo: #f4f5f7;
  --tarjeta: #ffffff;
  --texto: #1b1f24;
  --tenue: #5f6b7a;
  --borde: #dde1e6;
  --primario: #1f6feb;
  --primario-texto: #ffffff;
  --peligro: #c62828;
  --ok: #1e8e3e;
  --alerta-fondo: #fff4d6;
  --alerta-texto: #6b4e00;
  --sombra: 0 1px 2px rgba(0, 0, 0, .06), 0 2px 8px rgba(0, 0, 0, .05);
  --radio: 10px;
  --lienzo-fondo: #e3e6ea;
  --seleccion: #1f6feb;
  --guia: #e5368f;
  --c0: #7a8594; --c1: #2f6fdb; --c2: #1e9e6a; --c3: #c2771a; --c4: #8e4fd1; --c5: #d1434b; --c6: #148a9c; --c7: #8a8f1c; --c8: #b54f8c;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fondo: #111418;
    --tarjeta: #1a1f25;
    --texto: #e6e9ed;
    --tenue: #9aa6b4;
    --borde: #2c333c;
    --primario: #4c8dff;
    --peligro: #ff6b6b;
    --ok: #4cc26a;
    --alerta-fondo: #3a2f10;
    --alerta-texto: #ffd97a;
    --sombra: none;
    --lienzo-fondo: #0b0d10;
    --seleccion: #4c8dff;
    --guia: #ff5cae;
    --c0: #6b7685; --c1: #3f7fe8; --c2: #2bb37c; --c3: #d98a2b; --c4: #a066e6; --c5: #e0545c; --c6: #23a3b5; --c7: #a3a829; --c8: #cc66a3;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--fondo);
  color: var(--texto);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
[hidden] { display: none !important; }
h1, h2, h3 { margin: 0; line-height: 1.2; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.1rem; }
.tenue { color: var(--tenue); }
.chico { font-size: .85rem; }
.error { color: var(--peligro); margin: 0; }

input, select, button { font: inherit; }
input, select {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--borde);
  border-radius: 8px;
  background: var(--tarjeta);
  color: var(--texto);
  font-size: 16px; /* evita el zoom de iOS */
}
input[type=checkbox] { width: auto; }
label { display: flex; flex-direction: column; gap: 4px; font-size: .9rem; color: var(--tenue); }
label.en-linea { flex-direction: row; align-items: center; gap: 8px; color: var(--texto); }

.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--borde);
  border-radius: 8px;
  background: var(--tarjeta);
  color: var(--texto);
  cursor: pointer;
  white-space: nowrap;
}
.boton:hover { filter: brightness(.97); }
.boton:disabled { opacity: .55; cursor: default; }
.boton.primario { background: var(--primario); border-color: var(--primario); color: var(--primario-texto); }
.boton.peligro { color: var(--peligro); }
.boton.chico { padding: 5px 10px; font-size: .85rem; }
.boton.fantasma { border-color: transparent; background: transparent; }
.boton.icono { padding: 5px 9px; min-width: 36px; }

.tarjeta {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 14px;
}

/* Login */
.login { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login-caja { width: 100%; max-width: 360px; display: flex; flex-direction: column; gap: 12px; padding: 24px; }

/* Barra */
.barra {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 10px 16px;
  background: var(--tarjeta);
  border-bottom: 1px solid var(--borde);
}
.marca { font-weight: 700; font-size: 1.05rem; }
.pestanas { display: flex; gap: 4px; flex: 1; overflow-x: auto; scrollbar-width: none; }
.pestana { border: 0; background: transparent; color: var(--tenue); padding: 7px 12px; border-radius: 8px; cursor: pointer; }
.pestana.activa { background: var(--fondo); color: var(--texto); font-weight: 600; }
.usuario { display: flex; align-items: center; gap: 8px; color: var(--tenue); font-size: .9rem; }

.espacio { margin: 12px 16px 0; padding: 8px 12px; border-radius: 8px; background: var(--tarjeta); border: 1px solid var(--borde); font-size: .88rem; color: var(--tenue); }
.espacio.alerta { background: var(--alerta-fondo); color: var(--alerta-texto); border-color: transparent; }

.seccion { padding: 16px; max-width: 1200px; margin: 0 auto; }
.seccion-cabeza { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 6px; flex-wrap: wrap; }

/* Pantallas */
.grilla { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; margin-top: 10px; }
.pantalla { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.pantalla-cabeza { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.pantalla-nombre { font-weight: 600; font-size: 1.05rem; overflow-wrap: anywhere; }
.estado { font-size: .85rem; white-space: nowrap; }
.estado.on { color: var(--ok); }
.estado.off { color: var(--peligro); }
.etiquetas { display: flex; flex-wrap: wrap; gap: 6px; }
.etiqueta { font-size: .78rem; padding: 2px 8px; border-radius: 999px; background: var(--fondo); color: var(--tenue); border: 1px solid var(--borde); }
.etiqueta.inactiva { color: var(--peligro); }
.etiqueta.modo { color: var(--texto, inherit); }
.etiqueta.desfasada { color: var(--alerta-texto); background: var(--alerta-fondo); border-color: transparent; }
.dispositivo { font-size: .78rem; color: var(--tenue); overflow-wrap: anywhere; max-height: 4.5em; overflow: hidden; }
.acciones { display: flex; flex-wrap: wrap; gap: 6px; }
.vacio { padding: 24px; text-align: center; color: var(--tenue); }

/* Videos */
.subida { display: flex; flex-direction: column; gap: 10px; margin: 10px 0 14px; }
.fila-campos { display: flex; gap: 10px; flex-wrap: wrap; }
.fila-campos .crece { flex: 1 1 220px; min-width: 0; }
.fila-acciones { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.progreso { height: 10px; background: var(--fondo); border-radius: 999px; overflow: hidden; border: 1px solid var(--borde); }
.progreso-barra { height: 100%; width: 0; background: var(--primario); transition: width .2s; }
.lista { display: flex; flex-direction: column; gap: 8px; }
.video { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.video-datos { flex: 1 1 220px; min-width: 0; }
.video-nombre { font-weight: 600; overflow-wrap: anywhere; }

/* Diálogo */
.dialogo { border: 0; padding: 0; border-radius: 12px; background: var(--tarjeta); color: var(--texto); width: min(560px, calc(100vw - 32px)); max-height: calc(100vh - 32px); }
.dialogo::backdrop { background: rgba(0, 0, 0, .45); }
.dialogo-cuerpo { display: flex; flex-direction: column; gap: 12px; padding: 16px; margin: 0; }
.dialogo-cabeza { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
#dialogo-contenido { display: flex; flex-direction: column; gap: 12px; }
.pie-dialogo { display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }

.link-reproductor { display: flex; gap: 6px; }
.link-reproductor input { font-family: ui-monospace, Menlo, monospace; font-size: 14px; }
.codigo-grande { font-family: ui-monospace, Menlo, monospace; font-size: 1.3rem; letter-spacing: .06em; text-align: center; padding: 6px; background: var(--fondo); border-radius: 8px; overflow-wrap: anywhere; }
.qr { display: flex; justify-content: center; }
.qr canvas { width: 220px; height: 220px; image-rendering: pixelated; border-radius: 6px; }

.asignados, .disponibles { display: flex; flex-direction: column; gap: 6px; max-height: 38vh; overflow: auto; }
.item-asig { display: flex; align-items: center; gap: 6px; padding: 6px 8px; border: 1px solid var(--borde); border-radius: 8px; background: var(--fondo); }
.item-asig .nro { color: var(--tenue); width: 22px; text-align: right; font-variant-numeric: tabular-nums; }
.item-asig .nombre { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.item-asig.arrastrando { opacity: .5; }

.previa video { width: 100%; max-height: 60vh; background: #000; border-radius: 8px; }

.aviso {
  position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%);
  max-width: calc(100vw - 32px);
  background: #222; color: #fff; padding: 10px 16px; border-radius: 8px; z-index: 50;
  box-shadow: 0 4px 16px rgba(0, 0, 0, .3);
}
.aviso.error { background: var(--peligro); }

/* Biblioteca */
.filtros { display: flex; gap: 4px; flex-wrap: wrap; }
.filtro.activo { background: var(--fondo); font-weight: 600; }
.grilla-medios { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; }
.medio { display: flex; flex-direction: column; align-items: stretch; flex-wrap: nowrap; gap: 6px; padding: 8px; min-width: 0; }
.miniatura { position: relative; aspect-ratio: 16 / 9; background: var(--lienzo-fondo); border-radius: 6px; overflow: hidden; display: flex; align-items: center; justify-content: center; color: var(--tenue); font-size: 1.6rem; }
.miniatura img { width: 100%; height: 100%; object-fit: cover; display: block; }
.miniatura .tipo { position: absolute; left: 6px; top: 6px; font-size: .72rem; padding: 1px 6px; border-radius: 999px; background: rgba(0, 0, 0, .6); color: #fff; }
.medio .video-nombre { font-size: .92rem; }
.medio .acciones .boton { padding: 4px 8px; }

/* Escenas */
.escena-tarjeta { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.previa-escena { position: relative; width: 100%; border-radius: 6px; overflow: hidden; background: #000; }
.previa-escena .pz { position: absolute; box-sizing: border-box; border: 1px solid rgba(255, 255, 255, .55); background-color: rgba(120, 140, 160, .35); background-size: cover; background-position: center; overflow: hidden; }
.previa-escena .pz span { position: absolute; left: 3px; top: 2px; font-size: .68rem; color: #fff; text-shadow: 0 0 3px #000; white-space: nowrap; }
.aviso-linea { font-size: .82rem; padding: 6px 10px; border-radius: 8px; background: var(--alerta-fondo); color: var(--alerta-texto); }

/* Programación */
.selector-pantalla select { min-width: 200px; }
.prog-ahora { font-size: .95rem; padding: 10px 12px; }
.prog-ahora strong { overflow-wrap: anywhere; }
.bloques { display: flex; flex-direction: column; gap: 8px; margin: 8px 0 14px; }
.bloque { display: flex; gap: 10px; align-items: flex-start; flex-wrap: wrap; }
.bloque .marca-color { width: 10px; align-self: stretch; border-radius: 4px; flex: 0 0 10px; }
.bloque-datos { flex: 1 1 240px; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.bloque.inactivo { opacity: .6; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.chip { display: inline-flex; align-items: center; gap: 4px; font-size: .82rem; padding: 3px 4px 3px 9px; border-radius: 999px; border: 1px solid var(--borde); background: var(--fondo); max-width: 100%; }
.chip span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chip button { border: 0; background: transparent; color: var(--tenue); cursor: pointer; padding: 0 4px; font: inherit; }
.dias { display: flex; gap: 4px; flex-wrap: wrap; }
.dias label { flex-direction: row; align-items: center; gap: 3px; padding: 4px 8px; border: 1px solid var(--borde); border-radius: 8px; color: var(--texto); }
.fila-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.calendario-cont { overflow-x: auto; margin-top: 8px; }
.calendario { display: grid; grid-template-columns: 42px repeat(7, minmax(84px, 1fr)); min-width: 660px; font-size: .75rem; }
.cal-cabeza { text-align: center; padding: 4px 2px; color: var(--tenue); font-weight: 600; }
.cal-cabeza.hoy { color: var(--primario); }
.cal-horas { position: relative; height: 576px; }
.cal-horas div { position: absolute; right: 4px; transform: translateY(-50%); color: var(--tenue); }
.cal-dia { position: relative; height: 576px; border-left: 1px solid var(--borde); background: repeating-linear-gradient(to bottom, transparent 0, transparent 47px, var(--borde) 47px, var(--borde) 48px); }
.cal-banda { position: absolute; left: 2px; right: 2px; border-radius: 4px; color: #fff; padding: 1px 4px; overflow: hidden; line-height: 1.2; box-sizing: border-box; }
.cal-banda span { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.cal-ahora { position: absolute; left: 0; right: 0; height: 2px; background: var(--peligro); z-index: 2; }
.leyenda { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; font-size: .8rem; }
.leyenda i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; vertical-align: -2px; margin-right: 4px; }
.cambios-pendientes { color: var(--alerta-texto); background: var(--alerta-fondo); padding: 3px 8px; border-radius: 6px; font-size: .85rem; }

@media (max-width: 600px) {
  .barra { padding: 8px 12px; }
  .grilla-medios { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .fila-2 { grid-template-columns: 1fr; }
  .pestanas { order: 3; flex-basis: 100%; }
  .pestana { padding: 7px 9px; font-size: .92rem; }
  .seccion { padding: 12px; }
  .grilla { grid-template-columns: 1fr; }
  .acciones .boton { flex: 1 1 auto; }
}